NPPES file of Aug 9, 2026

Gary Austin Grimes, MD

Family Medicine Physician · Palmdale, CA

Gary Austin Grimes, MD is a family medicine physician with a practice address in Palmdale, California, and NPI 1922172089, issued on Nov 20, 2006. Check the license (California A45278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922172089
Name
Gary Austin Grimes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A45278 CA
Self-reported in NPPES; status is on the state search
Practice location
39749 Makin Ave, Palmdale, CA 93551
Phone
(661) 267-0777
Enumerated
Nov 20, 2006
Record last updated
Dec 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(661) 267-0905
Medicare enrollment
Enrolled (PECOS I20060127000404); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gary Austin Grimes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A45278
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,271 Medicare Part D claims for 349 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 60 claims were for opioids.

  1. Gary Grimes10,271
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium652 claims
  2. Amlodipine Besylate517 claims
  3. Metformin Hcl383 claims
  4. Gabapentin281 claims
  5. Losartan Potassium267 claims
  6. Omeprazole259 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Gary Austin Grimes among 17,133 family medicine physician records in California

Gary Austin Grimes, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1984 · median 2005 among the 10,652 with a school on file
  • Record last updated2010 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 family medicine physician records list a practice address in Palmdale

They are 21 of the 2,077 NPPES records with a practice address in Palmdale, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rose Anne Abe, MDPalmdale, CA 935511912690751
  2. Lee Au, M.D.Palmdale, CA 935511366458317
  3. Ric Garrison, M.D.Palmdale, CA 935511295814408
  4. Karen Glover, MDPalmdale, CA 935511649280652
  5. Svetlana Gorelikova, M.D.Palmdale, CA 935511699953604
  6. Brian Grimm, MDPalmdale, CA 935511871540815
  7. Daljit Kaur, FNPPalmdale, CA 935511548948763
  8. Gonzalo Martinez, MDPalmdale, CA 935511578622700

Common questions

What is Gary Austin Grimes, MD's NPI number?

Gary Austin Grimes, MD's National Provider Identifier (NPI) is 1922172089, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Austin Grimes, MD located?

The NPPES record lists a practice address at 39749 Makin Ave, Palmdale, CA, 93551. Phone: (661) 267-0777. Providers update this record themselves, so call before visiting.

How can I verify Gary Austin Grimes, MD's license?

NPPES lists California license number A45278, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gary Austin Grimes, MD prescribe under Medicare Part D?

In 2024, Gary Austin Grimes, MD had 10,271 Medicare Part D claims for 349 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.